IAI America PCON-CFA - Manual (Page 175)

5. Flow and Commands of Basic MECHA
TROLINK Communication
169
z Reference: Example of PLC address assignment rules --- Fuji Electric
The PLC address assignment rules are shown below.
Prefix
Bus station number
This number indicates the installation position of the PROFIBUS-DP master unit within the PLC units is indicated.
Word address
Word addresses refer to addresses of DI/DOs and I/O data registers of a SCON-CA assigned to the master
station, being arranged sequentially in units of words.
Bit address
Bit addresses refer to addresses of DI/DOs and I/O data registers of a SCON-CA assigned to a word address,
being arranged sequentially in units of bits.
Prefix Word number Bit address
Bus station
number
Input bit address (address per bit)
Input word address (address per word)
Output bit address (address per bit)
Output word address (address per word)
CPU
Station 1 Station 2
Powe
r su
ppl
y
PROFIBUS
-DP
maste
r statio
n